package cn.bj.yu.add;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

/**
 * @author 周宇
 * @create 2020-08-13 11:52
 * 集齐七龙珠召唤神龙
 */
public class CyclicBarrierDemo {
    public static void main(String[] args) {
        //召唤龙珠的线程
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7, () -> {
            System.out.println("召唤神龙成功");
        });

        for (int i = 1; i <= 7; i++) {
            final int temp = i;
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName() + "收集" + temp + "个龙珠");
                try {
                    cyclicBarrier.await(); //等待
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            }, String.valueOf(i)).start();
        }

        System.out.println("啊，神龙！");
    }
}
